Wall charger



FIG. 1 is a perspective view showing our new design for a wall charger,

FIG. 2 is a front view thereof,

FIG. 3 is a rear view thereof,

FIG. 4 is a top view thereof,

FIG. 5 is a bottom view thereof,

FIG. 6 is a left side view thereof,

FIG. 7 is a right side view thereof; and,

FIG. 8 is an exploded perspective view thereof, shown in an open position, the portion shown in dotted lines being for illustrative purposes only, forming no part of the claimed design. 

CLAIM The ornamental design for a wall charger, as shown and described. 